By Jean Labelle
As an EV enthusiast based in Ontario, I’ve heard every concern in the book: “What happens in winter?” “Will I even make it to the next charger?” “Is the range loss as bad as people say?”
Those questions aren’t just theoretical in Canada. With our harsh winters and long distances between cities, understanding real-world EV performance in the cold is essential. That’s why I was excited to see the Canadian Automobile Association (CAA) conduct its first large-scale winter EV test drive in February 2025. This wasn’t a small lab experiment — it was a serious, neutral effort involving 13 popular EV models that represent over two-thirds of Canadian EV sales.
The test took place in temperatures ranging from -7°C to -15°C. It started in Ottawa and headed to Mont-Tremblant in Quebec’s Laurentians, with mountain loops added to fully exhaust the batteries. Vehicles were driven until the battery hit zero, and charging tests measured how much range could be added in just 15 minutes on a DC fast charger. The results were then compared to Natural Resources Canada’s official year-round average ranges.
The Numbers Don’t Lie — But They Vary a Lot
Overall, cold weather reduced EV range by 14% to 39% compared to official figures. That’s a significant hit, but the variation between models is what stands out.
- Best performers: The Chevrolet Silverado EV and Polestar 2 both lost only 14% of their posted range. The Silverado managed an impressive 456 km driven (versus 724 km official), while the Polestar 2 achieved 384 km (versus 444 km official).
- Toughest hit: The Volvo XC40 Recharge saw a 39% reduction, and the Toyota bZ4X lost 37%.
Other notable results included:
- Kia EV9: -20% (349 km driven)
- Volkswagen ID.4: -20% (338 km)
- Honda Prologue: -24% (334 km)
- Tesla Model 3: -30% (410 km)
- Kia Niro EV: -30% (285 km)
- Ford Mustang Mach-E: -31% (334 km)
- Chevrolet Equinox EV: -34% (337 km)
- Ford F-150 Lightning: -35% (296 km)
- Hyundai IONIQ 5: -36% (262 km)
On the charging side, the average EV added about 100 km of range (roughly 28% of battery charge) in 15 minutes. The standout was the Tesla Model 3, which added over 200 km in that short window — followed closely by the Chevrolet Silverado EV at 199 km. At the other end, the Toyota bZ4X added just 19 km and the Kia Niro EV only 35 km.
A CAA survey backed this up: more than 65% of EV owners reported lower range in cold weather, and 4 in 10 noticed significantly slower charging. Interestingly, over half (53%) of EV drivers said they’d still prefer taking a gas vehicle on long trips during extreme cold.
Why This Matters Across Ontario and Canada
Living in Ontario, I know firsthand how cabin heating, preconditioning (or forgetting it), highway speeds, and those brutal -15°C days can eat into range. The CAA test highlights that not all EVs are created equal in winter conditions. Some handle the cold surprisingly well, while others require more planning and route adjustments.
Helpful strategies include preconditioning the vehicle while it’s still plugged in, using heated seats and steering wheel instead of cranking the cabin heat, engaging eco mode, and maximizing regenerative braking. These small habits can noticeably stretch your range.
The test also shows why infrastructure and honest data are so important. CAA’s goal wasn’t to push EVs or scare people away — it was to act as a trusted “honest broker” and help drivers understand the real lifestyle adjustments needed for confident winter driving.
My EV Dashboard: Putting Real Data in Your Hands
To help fellow EV owners and potential buyers make sense of this, I’ve built a dedicated dashboard at https://ev.jeanlabelle.ca/. It brings together insights on EV performance, charging, and real-world considerations — especially useful here in Canada where winter plays such a big role.
Whether you’re tracking range estimates, comparing models, or looking at practical winter tips, the dashboard is designed to give you clear, accessible information without the hype. I update it regularly based on owner experiences and reliable data sources, because I believe transparency is key to smarter EV adoption.
The Road Ahead
CAA’s winter test is a great step forward for Canadian drivers. It confirms that while cold weather does impact EVs, the effect varies widely by model — and with proper planning and the right vehicle, many people can handle winter driving just fine.
If you’re considering an EV or already own one, I encourage you to check out the full CAA results and spend some time on my dashboard. Understanding the numbers helps turn anxiety into confidence.
Winter driving in an EV might require a few extra habits, but for many of us, the benefits — quiet rides, instant torque, and lower operating costs — still make it worthwhile.
What are your experiences with EVs in the cold? Feel free to reach out or share data on the dashboard — the more real-world info we collect, the better we can all prepare.
Drive safe out there,
Jean Labelle
Ontario, Canada
ev.jeanlabelle.ca